US Bridges

Fdr 107C over Rio Bonito

FairPosted for load

Lincoln County, New Mexico · 47 Yd S/O FSR 107 · Structure no. 030801000001003

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
75
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 107C over Rio Bonito is a concrete continuous box beam or girders - multiple carrying Fdr 107C over Rio Bonito in Lincoln County, New Mexico. It was built in 1964, so it is 61 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 125 by 2040. The structure is 65 ft (19.8 m) long and 29 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 107C
CrossesRio Bonito
Location47 Yd S/O FSR 107
RouteFederal Lands Road 107
Coordinates33.45568, -105.75103
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length65 ft (19.8 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic125 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$442,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 107C over Rio Bonito built?

It was built in 1964, making it 61 years old in 2025.

What condition is Fdr 107C over Rio Bonito in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Fdr 107C over Rio Bonito carry?

About 75 vehicles per day (2022 count).

How long is Fdr 107C over Rio Bonito?

The structure is 65 ft (19.8 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Fdr 107C over Rio Bonito?

It is owned by the U.S. Forest Service.